DTC Logic

Diagnosis Procedure
1.CHECK USB HARNESS
Visually check USB harness.
U1243 display unit
U1255 satellite radio tunerBody control system
System Description
OUTLINE
ECU DIAGNOSIS INFORMATION controls the various electrical
components. It inputs the information required to
the control from CAN communication and the signal received from each switch
and sensor.
BCM has combination switch reading function for reading the
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Battery saver output/power supply circuit
Description
Provides the interior room lamp power supply. Also cuts the power supply when
the interior room lamp battery saver is activated.
Component Function Check
1.CHECK BATTERY SAVER OUTPUT/POWER SUPPLY FUNCTION
CONSULT
Turn ignition switch ON.
Turn each interior room lamp ON.
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Wiring diagram
STARTING SYSTEM
Wiring Diagram
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